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15 October, 00:46

A researcher selects a sample of 80 people and records the frequency of participants choosing a low-, moderate-, or high-calorie dessert in a buffet. What are the degrees of freedom for this chi-square goodness-of-fit test?

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  1. 15 October, 01:48
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    Answer: degree of freedom is 2

    Explanation:

    The degree of freedom for chi-square goodness of fit test is given as;

    DF = n-1

    Where n in this case is the number of levels which is 3

    Thus DF = 3-1

    DF = 2
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